Java Fullstack Developer

Kumaran Systems; Hyderabad; On-site; INR 1,400,000 - 2,100,000; Full time

Job summary

Kumaran Systems is seeking an experienced Java Full Stack Developer to design, develop, and maintain end-to-end web applications using Java and modern front-end frameworks. You will build RESTful APIs, implement responsive UIs, and collaborate across teams to deliver high-quality features.

The role requires strong Java/Spring experience, front-end skills, and knowledge of databases. Join Kumaran Systems to drive AI-enabled transformations and cloud initiatives across multiple domains.

Qualifications

• Education: Bachelor’s/Master’s in Computer Science, IT, or related field (or equivalent).
• Strong experience with Java (8+), Spring/Spring Boot and RESTful APIs/microservices.
• Frontend proficiency: HTML5, CSS3, JavaScript; frameworks Angular, React or Vue.
• Experience with RDBMS (MySQL, PostgreSQL, Oracle) and NoSQL (MongoDB, Cassandra).
• Familiarity with CI/CD pipelines and Agile/Scrum processes; strong collaboration skills.

Responsibilities

• Design, develop, and maintain end-to-end web applications using Java and frontend frameworks.
• Develop RESTful APIs/microservices; build responsive UIs with modern JS frameworks.
• Collaborate with architects, analysts, QA, and DevOps to deliver features on time.
• Write clean, modular code with proper tests; participate in reviews and design discussions.
• Integrate apps with databases and external systems; support CI/CD and automated testing.
• Troubleshoot production issues and optimize performance; contribute to technical docs.

Skills

Java

Spring Framework

REST APIs

Angular

React

Vue

HTML5

CSS3

JavaScript

SQL

NoSQL

Git

CI/CD

Agile/Scrum

OOP

Design patterns

Problem-solving

Education

Bachelor’s/Master’s degree in Computer Science/IT or related field

Tools

Git

Jenkins

GitLab CI

Azure DevOps

Job description

Job Description:

About Us

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

Why Kumaran?

We blend engineering discipline with AI innovation, helping clients modernise with confidence, automate with clarity, and scale with purpose. Our global delivery model ensures agility, responsiveness, and seamless collaboration, with clients always at the heart of every engagement. At Kumaran, we don’t just solve problems, we engineer future‑ready transformations.

We are looking for an experienced Java Full Stack Developer who can design, develop, and maintain end-to-end web applications.

Key Responsibilities

• Design, develop, and maintainend-to-end web applicationsusing Java and front-end frameworks.


• DevelopRESTful APIs / microservicesusing Java, Spring / Spring Boot.


• Buildresponsive, user-friendly UIsusing HTML5, CSS3, JavaScript, and frameworks such as Angular / React / Vue (as per project stack).


• Collaborate witharchitects, business analysts, QA, and DevOpsto deliver high-quality features on time.


• Writeclean, modular, testablecode following coding standards and best practices.


• Integrate applications withdatabases(RDBMS/NoSQL) and external systems.


• Participate incode reviews, design discussions, and technical decision-making.


• Implementunit tests, integration tests, and support automated testing and CI/CD pipelines.


• Troubleshoot and resolveproduction issues, performance bottlenecks, and defects.


• Contribute totechnical documentation(design documents, API specs, deployment guides).

Required Skills & Qualifications

• Education:Bachelor’s/Master’s degree in Computer Science, Information Technology, or related field (or equivalent experience).


• Backend:
  
  
  
  • Strong experience withJava (8 or above)
  
  
  • Hands-on withSpring / Spring Boot, Spring MVC, Spring Data, Spring Security
  
  
  • Experience in buildingRESTful APIs / microservices
  
  
  
  


• Frontend:
  
  
  
  • Strong knowledge ofHTML5, CSS3, JavaScript
  
  
  • Experience with at least one modernJavaScript framework: Angular / React / Vue
  
  
  • Familiarity withresponsive designand cross-browser compatibility
  
  
  
  


• Database:
  
  
  
  • Experience withRDBMS(e.g., MySQL, PostgreSQL, Oracle)
  
  
  • Good understanding ofSQL, query optimization, and data modeling
  
  
  • Exposure toNoSQLdatabases (e.g., MongoDB, Cassandra) is a plus
  
  
  
  


• Tools & Processes:
  
  
  
  • Experience withGitor similar version control systems
  
  
  • Familiarity withCI/CD pipelines(Jenkins, GitLab CI, Azure DevOps, etc.)
  
  
  • Working experience inAgile/Scrummethodologies
  
  
  
  


• Other:
  
  
  
  • Strongproblem-solvinganddebuggingskills
  
  
  • Good understanding ofdesign patterns,OOP, andsoftware engineering principles
  
  
  • Excellentcommunicationandcollaborationskills
  
  
  
  

Preferred / Good-to-Have Skills

• Experience withcloud platforms(AWS / Azure / GCP) and cloud-native development.


• Knowledge ofcontainerization(Docker, Kubernetes).


• Experience withmessage queues(Kafka, RabbitMQ, etc.).


• Exposure tosecurity best practices(authentication, authorization, OWASP).


• Experience withfront-end build tools(Webpack, NPM, Yarn) andUI testingframeworks.


• Familiarity withDevOps practicesand monitoring tools (Prometheus, ELK, etc.).

Behavioral Competencies

• Strongownershipand accountability for deliverables.


• Ability to work independently as well as part of across-functional team.


• Adaptable to changing priorities andfast-paced environments.


• Proactive, with a continuous learning mindset and interest in new technologies.